A sweep moment finally arrived for the Mets, with their shiny new toy as an integral component. 

It took until their 14th series this season. The Mets had been swept four times during that stretch, but their own sweep aspirations were unfulfilled. 

Thursday they brandished their bats for the second time in three days since rookie A.J. Ewing’s arrival from Triple-A Syracuse. Their three-game sweep of the Tigers was complete with a 9-4 victory at Citi Field. 

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Ewing blasted his first major league homer as part of a barrage that let the Mets begin contemplating the upcoming Subway Series in a positive mindset. Brett Baty, Mark Vientos, Juan Soto and Marcus Semien also went deep on a day the Mets established a season-high with five homers. 

Ewing, a 21-year-old outfielder, had a major league debut series to remember — which included reaching base four times in his first game Tuesday, scoring the winning run in the 10th inning a night later then clearing the fence for the first time in Thursday’s third inning. 

“He brings the energy that we need, he’s a young core [player], a really humble kid,” Soto said. “He’s showing every aspect of the game.” 

It doesn’t hurt that another rookie, Carson Benge, has been among the team’s hottest players. A night after providing the game-winning RBI in the 10th inning, Benge added a 2-for-5 performance Thursday and owns an .888 OPS in May. 

“They are going to get on base, they are going to grind at-bats, they are going to put the ball in play,” manager Carlos Mendoza said of the rookie tandem. “They are going to make pitchers work and once they get on, they are going to put pressure on the defense. They are having fun. They are playing, and that is contagious.” 

Just maybe, the Mets (18-25) have found the boost they need to get their season on track. Winning at least two games in Queens against the Yankees this weekend might bolster that notion. 

It’s certainly the right time for the Mets, who have begun the month with eight victories in 12 games, to play their interborough rival. 

“Not just the Subway Series, but the whole season, we have just got to keep the momentum going all the way to October,” Soto said. “Definitely it was a start we didn’t want, but it’s the right time to get hot.” 

The positives from this series included three comeback victories and 22 runs scored — the team’s most this season in a three-game series. 

“There’s a lot to like,” Mendoza said. “We won in a lot of different ways.” 

Nolan McLean, after a rough first inning, got the Mets through the seventh. The rookie right-hander allowed three earned runs on six hits and three walks with seven strikeouts. 

McLean sank the Mets into a first-inning hole by allowing a three-run homer to Gage Workman. McLean surrendered a walk and a single before giving up his fourth homer of the season and second in as many starts. 

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Ewing began the comeback by homering against Keider Montero leading off the third. Last season, Ewing homered just three times in 485 at-bats over three minor league levels. 

“I think [homers] can be part of my game,” Ewing said. “I don’t think it’s going to be my identity. I spray the ball, hit a lot of line drives and put myself in position to get on base a lot. But when I catch stuff out in front, I think that can happen, for sure.” 

Baty hit a two-run homer in the fourth that tied it 3-3. Soto stroked an RBI single in the fifth that gave the Mets the lead. Benge singled and stole second to ignite the rally. Vientos launched a two-run homer that gave the Mets a 6-3 lead. It was the fourth homer in 10 games for Vientos, who owns an .843 OPS over his past 12 games. 

Hayden Senger, on a safety squeeze, bunted in a run in the sixth that extended the Mets lead to 7-3. The knockout punches were delivered by Soto and Semien, who each homered later. 

“We have been struggling for a while, I have too these last couple of [starts],” McLean said. “But I wouldn’t say we ever got down on ourselves in here. You come and watch the work these guys are putting in and we know how good our clubhouse is, and that is all that matters: what we think of each other. We’re not worried about anybody else.”